qmlls crashes on autocompletion

import QtQuick
Text {
    text: "foo"
    rend // ... waiting for it to suggest "renderType"
}

Thread 1 "qmlls" received signal SIGSEGV, Segmentation fault.
doFilter<QQmlJSResourceFileMapper::entry(const Filter&) const::<lambda(const QQmlJSResourceFileMapper::Entry&)> > (handler=..., filter=..., qrcPathToFileSystemPath=...) at /home/kaiuwe/kde6/src/qtdeclarative/src/qmlcompiler/qqmljsresourcefilemapper.cpp:120
120             } else if (it->filePath == filter.path && handler(*it)) {
(gdb) bt
#0  doFilter<QQmlJSResourceFileMapper::entry(const Filter&) const::<lambda(const QQmlJSResourceFileMapper::Entry&)> > (handler=..., filter=..., qrcPathToFileSystemPath=...)
    at /home/kaiuwe/kde6/src/qtdeclarative/src/qmlcompiler/qqmljsresourcefilemapper.cpp:120
#1  QQmlJSResourceFileMapper::entry (this=this@entry=0x7f7ca0007320, filter=...) at /home/kaiuwe/kde6/src/qtdeclarative/src/qmlcompiler/qqmljsresourcefilemapper.cpp:163
#2  0x00007f7caec5d7cb in QQmlJSImportVisitor::implicitImportDirectory (localFile=..., mapper=0x7f7ca0007320) at /home/kaiuwe/kde6/src/qtdeclarative/src/qmlcompiler/qqmljsimportvisitor.cpp:372
#3  0x00007f7caed0bac0 in QQmlJSTypeReader::operator() (this=this@entry=0x7ffdc14e1820, scope=...) at /home/kaiuwe/kde6/src/qtdeclarative/src/qmlcompiler/qqmljstypereader.cpp:58
#4  0x00007f7caeccda24 in QDeferredFactory<QQmlJSScope>::populate (this=this@entry=0x7ffdc14e18c0, scope=...) at /home/kaiuwe/kde6/src/qtdeclarative/src/qmlcompiler/qqmljsscope.cpp:1150
#5  0x000055a084256643 in QDeferredSharedPointer<QQmlJSScope const>::lazyLoad (this=this@entry=0x7f7ca09c8d98) at /home/kaiuwe/kde6/src/qtdeclarative/src/qmlcompiler/qdeferredpointer_p.h:166
#6  0x000055a08425ff48 in QDeferredSharedPointer<QQmlJSScope const>::operator QSharedPointer<QQmlJSScope const> (this=0x7f7ca09c8d98)
    at /home/kaiuwe/kde6/src/qtdeclarative/src/qmlcompiler/qdeferredpointer_p.h:71
#7  QDeferredSharedPointer<QQmlJSScope const>::data (this=0x7f7ca09c8d98) at /home/kaiuwe/kde6/src/qtdeclarative/src/qmlcompiler/qdeferredpointer_p.h:88
#8  QQmlJS::Dom::QmlFile::ensurePopulated (this=0x7f7ca09c8cf0) at /home/kaiuwe/kde6/src/qtdeclarative/src/qmldom/qqmldomexternalitems_p.h:467
#9  QQmlJS::Dom::QmlFile::ensurePopulated (this=0x7f7ca09c8cf0) at /home/kaiuwe/kde6/src/qtdeclarative/src/qmldom/qqmldomexternalitems_p.h:457
#10 0x000055a084432e79 in QQmlJS::Dom::QmlFile::lazyMembers (this=<optimized out>) at /home/kaiuwe/kde6/src/qtdeclarative/src/qmldom/qqmldomexternalitems_p.h:472
#11 QQmlJS::Dom::QmlFile::fileLocationsTree (this=<optimized out>) at /home/kaiuwe/kde6/src/qtdeclarative/src/qmldom/qqmldomexternalitems_p.h:398
#12 QQmlJS::Dom::QQmlDomAstCreator::QQmlDomAstCreator (this=0x55a085aa46e0, qmlFile=...) at /home/kaiuwe/kde6/src/qtdeclarative/src/qmldom/qqmldomastcreator.cpp:321
#13 0x000055a0844330c9 in QQmlJS::Dom::QQmlDomAstCreatorWithQQmlJSScope::QQmlDomAstCreatorWithQQmlJSScope (this=this@entry=0x55a085aa43d0, current=..., qmlFile=..., 
    logger=logger@entry=0x7ffdc14e1ad0, importer=importer@entry=0x7f7c9c006c40) at /home/kaiuwe/kde6/src/qtdeclarative/src/qmldom/qqmldomastcreator.cpp:2922
#14 0x000055a0843e2ca4 in std::make_unique<QQmlJS::Dom::QQmlDomAstCreatorWithQQmlJSScope, QDeferredSharedPointer<QQmlJSScope>&, QQmlJS::Dom::MutableDomItem&, QQmlJSLogger*, QQmlJSImporter*> ()
    at /usr/include/c++/12/bits/unique_ptr.h:1064
#15 QQmlJS::Dom::DomEnvironment::populateFromQmlFile (this=0x55a085a57610, qmlFile=...) at /home/kaiuwe/kde6/src/qtdeclarative/src/qmldom/qqmldomtop.cpp:2193
#16 0x000055a0843e495b in operator() (__closure=<optimized out>, p=..., importer=<optimized out>, rootNode=<optimized out>) at /home/kaiuwe/kde6/src/qtdeclarative/src/qmldom/qqmldomtop.cpp:1863
#17 0x00007f7caec45159 in std::function<void (QQmlJS::AST::Node*, QQmlJSImporter*, QQmlJSImporter::ImportVisitorPrerequisites const&)>::operator()(QQmlJS::AST::Node*, QQmlJSImporter*, QQmlJSImporter::ImportVisitorPrerequisites const&) const (__args#2=..., __args#1=<optimized out>, __args#0=<optimized out>, this=<optimized out>) at /usr/include/c++/12/bits/std_function.h:591
#18 QQmlJSImporter::runImportVisitor (this=<optimized out>, rootNode=rootNode@entry=0x55a085aa14d0, p=...) at /home/kaiuwe/kde6/src/qtdeclarative/src/qmlcompiler/qqmljsimporter.cpp:956
#19 0x00007f7caed0bb5d in QQmlJSTypeReader::operator() (this=this@entry=0x7ffdc14e2770, scope=...) at /home/kaiuwe/kde6/src/qtdeclarative/src/qmlcompiler/qqmljstypereader.cpp:55
#20 0x00007f7caeccda24 in QDeferredFactory<QQmlJSScope>::populate (this=this@entry=0x7ffdc14e2810, scope=...) at /home/kaiuwe/kde6/src/qtdeclarative/src/qmlcompiler/qqmljsscope.cpp:1150
#21 0x000055a08428897a in QDeferredSharedPointer<QQmlJSScope const>::lazyLoad (this=<optimized out>) at /home/kaiuwe/kde6/src/qtdeclarative/src/qmlcompiler/qdeferredpointer_p.h:166
#22 QDeferredSharedPointer<QQmlJSScope const>::operator QSharedPointer<QQmlJSScope const> (this=<optimized out>) at /home/kaiuwe/kde6/src/qtdeclarative/src/qmlcompiler/qdeferredpointer_p.h:71
#23 QDeferredSharedPointer<QQmlJSScope const>::operator-> (this=0x7f7c9c12b178) at /home/kaiuwe/kde6/src/qtdeclarative/src/qmlcompiler/qdeferredpointer_p.h:78
#24 0x000055a0842ab558 in testScopeSymbol (kind=QLspSpecification::CompletionItemKind::Class, options=..., scope=...) at /home/kaiuwe/kde6/src/qtdeclarative/src/qmlls/qqmllscompletion.cpp:265
#25 QQmlLSCompletion::suggestReachableTypes (this=<optimized out>, el=..., options=..., kind=QLspSpecification::CompletionItemKind::Class, it=...)
    at /home/kaiuwe/kde6/src/qtdeclarative/src/qmlls/qqmllscompletion.cpp:310
#26 0x000055a0842ab7de in QQmlLSCompletion::suggestBindingCompletion (this=this@entry=0x7ffdc14e4860, itemAtPosition=..., it=it@entry=...)
    at /home/kaiuwe/kde6/src/qtdeclarative/src/qmlls/qqmllscompletion.cpp:143
#27 0x000055a0842af3f4 in QQmlLSCompletion::insideBindingCompletion (this=this@entry=0x7ffdc14e4860, currentItem=..., positionInfo=..., result=result@entry=...)
    at /home/kaiuwe/kde6/src/qtdeclarative/src/qmlls/qqmllscompletion.cpp:849
#28 0x000055a0842afca9 in QQmlLSCompletion::collectCompletions (this=0x7ffdc14e4860, currentItem=..., contextStrings=..., result=result@entry=...)
    at /home/kaiuwe/kde6/src/qtdeclarative/src/qmlls/qqmllscompletion.cpp:1700
#29 0x000055a0842afff8 in QQmlLSCompletion::completions (this=<optimized out>, currentItem=..., contextStrings=...) at /home/kaiuwe/kde6/src/qtdeclarative/src/qmlls/qqmllscompletion.cpp:1643
#30 0x000055a084243248 in CompletionRequest::completions (this=<optimized out>, doc=..., completionEngine=...) at /home/kaiuwe/kde6/src/qtdeclarative/src/qmlls/qqmlcompletionsupport.cpp:192
--Type <RET> for more, q to quit, c to continue without paging--
#31 0x000055a084243d87 in QmlCompletionSupport::process (this=0x7ffdc14e4808, req=...) at /home/kaiuwe/kde6/src/qtdeclarative/src/qmlls/qqmlcompletionsupport.cpp:76
#32 0x000055a0842455e1 in QQmlBaseModule<CompletionRequest>::updatedSnapshot (this=0x7ffdc14e4808, url=...) at /home/kaiuwe/kde6/src/qtdeclarative/src/qmlls/qqmlbasemodule_p.h:226
#33 0x00007f7cae0a66c9 in QObject::event (this=0x7ffdc14e4808, e=0x7f7ca14c9c80) at /home/kaiuwe/kde6/src/qtbase/src/corelib/kernel/qobject.cpp:1419
#34 0x00007f7cae0518e5 in doNotify (event=<optimized out>, receiver=<optimized out>) at /home/kaiuwe/kde6/src/qtbase/src/corelib/kernel/qcoreapplication.cpp:1246
#35 QCoreApplication::notify (event=<optimized out>, receiver=<optimized out>, this=<optimized out>) at /home/kaiuwe/kde6/src/qtbase/src/corelib/kernel/qcoreapplication.cpp:1229
#36 QCoreApplication::notifyInternal2 (receiver=0x7ffdc14e4808, event=0x7f7ca14c9c80) at /home/kaiuwe/kde6/src/qtbase/src/corelib/kernel/qcoreapplication.cpp:1145
#37 0x00007f7cae0552a3 in QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x55a085a54470) at /home/kaiuwe/kde6/src/qtbase/src/corelib/kernel/qcoreapplication.cpp:1944
#38 0x00007f7cae3326f7 in postEventSourceDispatch (s=0x55a085a59520) at /home/kaiuwe/kde6/src/qtbase/src/corelib/kernel/qeventdispatcher_glib.cpp:245
#39 0x00007f7cad080d3b in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#40 0x00007f7cad0d6258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#41 0x00007f7cad07e3e3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#42 0x00007f7cae331e40 in QEventDispatcherGlib::processEvents (this=0x55a085a568e0, flags=...) at /home/kaiuwe/kde6/src/qtbase/src/corelib/kernel/qeventdispatcher_glib.cpp:395
#43 0x00007f7cae05dee2 in QEventLoop::exec (this=this@entry=0x7ffdc14e4210, flags=..., flags@entry=...) at /home/kaiuwe/kde6/src/qtbase/src/corelib/global/qflags.h:34
#44 0x00007f7cae059af4 in QCoreApplication::exec () at /home/kaiuwe/kde6/src/qtbase/src/corelib/global/qflags.h:74
#45 0x000055a0842043d7 in main (argv=<optimized out>, argc=<optimized out>) at /home/kaiuwe/kde6/src/qtdeclarative/tools/qmlls/qmllanguageservertool.cpp:311